Geffner, Andrea B. How to write better business letters / Andrea B. Geffner. - 4th ed. - Hauppauge, N.Y. : Barron’s, c2007. - vii, 173 p. : ill. ; 28 cm. Includes index. ISBN: 0764135392 9780764135392 LCCN: 2006042953 Subjects--Topical Terms: Commercial correspondence. Dewey Class. No.: 808.066651